8453553549 has 48 divisors (see below), whose sum is σ = 13863038400. Its totient is φ = 4556030976.

The previous prime is 8453553529. The next prime is 8453553593. The reversal of 8453553549 is 9453553548.

It is not a de Polignac number, because 8453553549 - 2⁷ = 8453553421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8453553529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 632989 + ... + 646205.

It is an arithmetic number, because the mean of its divisors is an integer number (288813300).

Almost surely, 2^8453553549 is an apocalyptic number.

It is an amenable number.

8453553549 is a deficient number, since it is larger than the sum of its proper divisors (5409484851).

8453553549 is a wasteful number, since it uses less digits than its factorization.

8453553549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13482 (or 13475 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 51.

The square root of 8453553549 is about 91943.2082809818. The cubic root of 8453553549 is about 2037.1035362638.

Subtracting 8453553549 from its reverse (9453553548), we obtain a palindrome (999999999).

The spelling of 8453553549 in words is "eight billion, four hundred fifty-three million, five hundred fifty-three thousand, five hundred forty-nine".